Set product: Shiseido Crystallizing Straight S Straightener 400g (Step 1) & Neutralizer Emulsion 400ml (Step 2) Quasi-drug LSC Please purchase only if you know how to use it. It has been used once, and I think 2/3 remains. Elegant green floral fragrance. Effectively suppresses the unpleasant perm odor during the treatment. Furthermore, it does not leave an unpleasant perm odor in the hair after the treatment. Hair straightening, straightening agent, hair quality improvement, acidic straightening, acid heat treatment, iron straightening Frizzy hair, curly hair Gender...Unisex